Logan Mathers, 17, was out walking Donnie, the family dog, on Wednesday afternoon when an adder appeared and bit the Jack Russell on the face.

Molly, Logan's 19-year-old sister, rushed to the forest to help her brother who "sounded traumatised".

Donnie the Jack Russell died on Saturday morning (Image: Molly Mathers) Donnie was in and out of consciousness and was taken straight to Eastgate Vets in Thetford.

The family had been left with a £1,500 bill for their........

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